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Asexual and Sexual Reproduction in Plants — BIO BOTANY STD 12 — Question

Tamilnadu BoardEnglish MediumSTD 12BIO BOTANYAsexual and Sexual Reproduction in Plants2 Marks
Question
Differentiate between Exine and Intine layers of pollen grain.
✓

Answer

Exine:
  1. Thick outer layers
  2. It is made of cellulose, sporopollenin and pollenkitt.
  3. Ununiform layer
Intine:
  1. Thin inner layer
  2. It is made up of pectin, hemicellulose, cellulose and callose
  3. Uniform layer

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